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authorDavide Libenzi <davidel@xmailserver.org>2008-02-04 22:27:25 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:07 -0800
commit5e05ad7d4e3b11f935998882b5d9c3b257137f1b (patch)
tree63b1b197f1ee68e656878257394d1ec8796ff3ea
parented5d2cac114202fe2978a9cbcab8f5032796d538 (diff)
downloadlinux-5e05ad7d4e3b11f935998882b5d9c3b257137f1b.tar.bz2
timerfd: introduce a new hrtimer_forward_now() function
I think that advancing the timer against the timer's current "now" can be a pretty common usage, so, w/out exposing hrtimer's internals, we add a new hrtimer_forward_now() function. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/hrtimer.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index f79dcba4b2c1..3fed27c88c01 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -304,6 +304,13 @@ static inline int hrtimer_is_queued(struct hrtimer *timer)
extern unsigned long
hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval);
+/* Forward a hrtimer so it expires after the hrtimer's current now */
+static inline unsigned long hrtimer_forward_now(struct hrtimer *timer,
+ ktime_t interval)
+{
+ return hrtimer_forward(timer, timer->base->get_time(), interval);
+}
+
/* Precise sleep: */
extern long hrtimer_nanosleep(struct timespec *rqtp,
struct timespec *rmtp,